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Gravity is the force by which a planet or other body draws objects toward its center.
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Space Place in a Snap tackles this fascinating question!
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And how does it help us find new planets?
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And how round are they?
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We can use a planet’s gravitational pull like a scale!
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How do gravitational waves give us a new way to learn about the universe?
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Find definitions of space and Earth science terms
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and dark energy, too!
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The answer isn't so simple...
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Glossary for "Sign Here!" words
Defines words in "Sign Here" game.
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Learn all about black holes and play Black Hole Rescue!
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Make a Balloon-powered Nanorover!
A fun project to do with the family.
gravity
